Replacement 12V Alternator, 6-Groove, GM 3.6L SUVs

Replacement alternator restores stable 12V charging to help prevent hard starts, battery warning lights, dim headlights, and weak accessories. Built for precise OE-style fitment on select 3.6L SUVs, it connects cleanly to factory plugs and mounting points for a faster swap. A 6-groove pulley supports steady belt drive up to 6000 RPM, while copper windings and an aluminum housing help manage heat under daily driving.

• Fits select 3.6L SUVs: Enclave 2012–2013, Traverse 2009–2016, Acadia 2007–2015, Outlook 2007–2010 (verify exact trim/engine)


• Delivers stable 12V DC output to support ignition, lighting, infotainment, and climate controls


• Uses a 6-groove pulley for consistent belt grip and smooth drive up to 6000 RPM


• Resists heat with pure copper flat coil windings and an aluminum housing with cooling fan


• Replaces OE-style alternator to address charging issues without rewiring or modifications

When your vehicle shows charging symptoms—slow cranking, flickering lights, battery alerts, or intermittent accessory power—swapping the alternator can restore normal electrical performance. This unit is designed around OE reference numbers for dependable fitment and straightforward installation using factory connections. Confirm compatibility with your vehicle’s year, engine size, and OE number before purchase to avoid returns. Grab yours today and get your charging system back to dependable operation.

• Output: 12V DC


• Pulley: 6-groove; up to 6000 RPM


• Housing material: Aluminum


• Coil: Pure copper flat coil


• Dimensions: 6.9 x 5.7 x 7.9 in (175 x 145 x 200 mm)


• Weight: 16.0 lb (7.25 kg)


• OE reference numbers: 11252, 25815839, 20838975, 19343531, 23105717, 23279588, 1042106160, 1042106310, 1042106311, 1042106312